2021 May

May 15: Facts & Historical Events On This Day

Facts & Historic Events That Happened on May 15

May 15th is celebrated as Straw Hat Day and Chocolate Chip Day.

Today marks the 135th day of the year. We’re slowly getting through the year, but still have 230 days left until the end of the year.

From the introduction of one of the most iconic cartoons of all time to the founding of one of America’s greatest cities, this day in history will blow your mind!

Did you know that on this day in 1928, Mickey Mouse appeared in his first cartoon? It was a silent short film called “Plane Crazy” that would later be re-released with sound.

Keep reading for more interesting facts about May 15th in history!

What Happened On May 15 In History?


The “Portrait of Dr. Gachet” by Vincent van Gogh was sold for $82.5 million in three minutes.

It became the most expensive painting ever sold at an auction.

After being under US military authority, the island of Okinawa reverted back to Japanese control.


The USSR launched the Sputnik III.

OTD in 1958: The USSR launched the Sputnik III.
This satellite was carrying a variety of tools for geophysical research.

The world’s first McDonalds opened in San Bernardino, California.


Richard and Maurice McDonald opened the first McDonald’s restaurant in San Bernardino, California.


The Moscow Metro was opened to the public.

It was 6.8 miles long with 13 stations. That day was celebrated as a technological victory for socialism. At the debut, approximately 285,000 people rode the Metro.

Ellen Church became the first female airline stewardess aboard a Boeing Air Transport flight from San Francisco to Chicago.


Mickey Mouse appeared in his first cartoon.

The cartoon was called "Plane Crazy" and was only ever released in a test screening. The film was a black and white silent film; however it failed to pick up a distributor.

The British Legion was formed to take care of ex-servicemen by giving financial, social, and emotional support to members and veterans of the British Armed Forces.


Las Vegas was officially founded.

OTD in 1905: Las Vegas was officially founded.
110 acres of Nevada land was auctioned off to excited buyers. Those acres of land would later become downtown Las Vegas. The first mayor of Las Vegas was Peter Buol.

The Scientific-Humanitarian Committee was founded by Magnus Hirschfeld in Berlin.

It was the first-ever LGBT rights organization.

The US Department of Agriculture was created after being signed into legislation by President Abraham Lincoln.


Did you know that on this day, May 15th 1928, Mickey Mouse appeared in his first cartoon?